I worked down the hall from the Reich lab as a postdoc and there was a weekly data club where students & postdocs would present. One of David's people was out o

I worked down the hall from the Reich lab as a postdoc and there was a weekly data club where students & postdocs would present. One of David's people was out or something, so David gave a 30 minute slideless talk about the work in their place. It was riveting. I was stunned at how he crafted the narrative and precisely explained the science. Since then I've taken the time to read his work and have always been super impressed.